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EOS R6 Mark III

Canon

EOS R6 Mark III

Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.

$2,799

Launch price

Released Nov 2025

vs
Alpha 7 V

Sony

Alpha 7 V

33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.

$2,899

Launch price

Released Dec 2025

Released within a month of each other.

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Wins

11categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

3categories

Alpha 7 V

WildlifeSports & Action

4 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·Alpha 7 V wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
  • AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 95 frames)
  • AEOS R6 Mark III has higher AF points / zones (1053 vs 759)
  • AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 30 fps)
  • AEOS R6 Mark III has higher ISO max (native) (64,000 vs 51,200)

Key specs at a glance

EOS R6 Mark IIIAlpha 7 V
Resolution32.5 MP33 MP
SensorFull FrameFull Frame
ISO max64,00051,200
Burst40 fps30 fps
4K120 fps120 fps
IBIS8.5-stop7.5-stop
Weight699 g695 g
Battery640 shots630 shots

Size and weight, to scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Alpha 7 V front view

Alpha 7 V

130 × 96 × 82 mm

695 g (1.53 lb / 24.52 oz)

EOS R6 Mark III is 8mm wider, 2mm taller, and 6mm thicker than Alpha 7 V.

EOS R6 Mark III is 4 g heavier than Alpha 7 V.

Depth (front-to-back): 88mm EOS R6 Mark III · 82mm Alpha 7 V

Back view, to scale

Width × Height — same proportions as the front of the body.

EOS R6 Mark III back view

EOS R6 Mark III

138 × 98 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V back view

Alpha 7 V

130 × 96 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

EOS R6 Mark III top view

EOS R6 Mark III

138 × 88 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V top view

Alpha 7 V

130 × 82 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

Alpha 7 V

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R6 Mark III

Canon RF

105+

native lenses available

45 first-party60 third-party

Alpha 7 V

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Counts include current first-party and major third-party native autofocus lenses.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseEOS R6 Mark IIIAlpha 7 V
Portrait
8.0Excellent
8.0Excellent
Sports & Action
10.0Excellent✓ wins
9.5Excellent
Video & Hybrid
6.5Good
8.0Excellent✓ wins
Landscape
7.5Good
7.5Good
Travel
7.5Good
7.5Good
Wildlife
6.5Good
10.0Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R6 Mark III

  • AF low-light limit

    -6.5 EV vs -4 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Max video bit rate

    2600 Mbps vs 600 Mbps — higher is better

  • Codecs

    Adds CRM, XF-HEVC S, XF-AVC S

  • Card types

    Adds CFexpress Type B

  • RAW buffer depth

    150 frames vs 95 frames — higher is better

  • AF points / zones

    1053 vs 759 — higher is better

Reasons to choose

Alpha 7 V

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Card types

    Adds CFexpress Type A / SD UHS-II

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

  • Resolution

    33 MP vs 32.5 MP — higher is better

  • Weight

    695 g vs 699 g — lower is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • 4K max frame rateBoth 120 fps

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6 Mark III

Pros

  • 32.5MP full-frame sensor
  • 7K RAW video & 4K 120p
  • 40fps electronic burst with Pre-Continuous
  • 8.5-stop IBIS

Cons

  • Single CFexpress Type B + SD slot
  • Smaller LCD than R5 II
  • LP-E6P required for full features

Alpha 7 V

Pros

  • 33MP partially stacked sensor — ~4.5× faster readout than α7 IV
  • Blackout-free 30 fps with full AF/AE (electronic shutter)
  • 7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
  • 759-point phase-detect AF down to EV -4 with AI subject recognition
  • 7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
  • Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
  • Up to 16 stops dynamic range

Cons

  • Premium price vs α7 IV
  • 4K 120p typically requires APS-C / Super 35 crop
  • Heavier than α7 IV (695 g vs 659 g with battery)
  • Complex menu and feature set

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and Alpha 7 V at major authorized retailers.

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Full specifications

= category winner

EOS R6 Mark III
Alpha 7 V
Resolution
32.5 MP
33 MP+2%
Sensor type
Full Frame CMOS
Full Frame Exmor RS CMOS (partially stacked)
Sensor size
35.9 × 23.9 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R6 Mark III
Alpha 7 V
Processor
DIGIC X
BIONZ XR2 + AI processing unit
EOS R6 Mark III
Alpha 7 V
ISO min (native)
100
100
ISO max (native)
64,000+0.3 stops
51,200
ISO max (expanded)
102,400
204,800
EOS R6 Mark III
Alpha 7 V
Shutter type
Mechanical / Electronic 1st Curtain + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, EOS R6 Mark III or Alpha 7 V?

Alpha 7 V scores 10.0/10 versus 6.5/10 for EOS R6 Mark III — 30fps burst captures fleeting moments.

What's the resolution difference between the EOS R6 Mark III and Alpha 7 V?

EOS R6 Mark III is 32.5 MP and Alpha 7 V is 33 MP, so the Alpha 7 V captures more detail for cropping and large prints.

Do the EOS R6 Mark III and Alpha 7 V have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while Alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the Alpha 7 V?

EOS R6 Mark III reaches 40 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the EOS R6 Mark III and Alpha 7 V?

EOS R6 Mark III weighs 699 g and Alpha 7 V weighs 695 g, so the Alpha 7 V is 4 g lighter.

Do the EOS R6 Mark III and Alpha 7 V record 4K video?

EOS R6 Mark III: 4K up to 120p. Alpha 7 V: 4K up to 120p.

Are the EOS R6 Mark III and Alpha 7 V weather sealed?

EOS R6 Mark III: Yes. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 630 shots for the Alpha 7 V, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and Alpha 7 V at $2,899. The EOS R6 Mark III is $100 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way EOS R6 Mark III vs Alpha 7 V vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Canon and Sony press materials.